package com.tjise.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.github.wxpay.sdk.WXPayUtil;
import com.tjise.eduorder.client.EduClient;
import com.tjise.eduorder.entity.Order;
import com.tjise.eduorder.entity.PayLog;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.tjise.eduorder.mapper.PayLogMapper;
import com.tjise.eduorder.service.OrderService;
import com.tjise.eduorder.service.PayLogService;
import com.tjise.eduorder.utils.HttpClient;
import com.tjise.servicebase.exceptionhandler.TjiseException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.lang.reflect.MalformedParameterizedTypeException;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author TJISE
 * @since 2021-06-29
 */
@Service
@Slf4j
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Autowired
    private OrderService orderService;


    @Autowired
    private EduClient eduClient;

    /**
     * 根据订单号生成二维码
     *
     * @param orderNo
     * @return
     */
    @Override
    public Map createNative(String orderNo) {
        try {
            // 根据订单号查询订单的信息
            QueryWrapper<Order> wrapper = new QueryWrapper<>();
            wrapper.eq("order_no", orderNo);
            // 查询后的订单
            Order order = orderService.getOne(wrapper);

            // 使用Map设置生成二维码需要的参数
            //2 使用map设置生成二维码需要参数
            Map m = new HashMap();
            m.put("appid","wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body", order.getCourseTitle()); //课程标题
            m.put("out_trade_no", orderNo); //订单号
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue()+"");
            m.put("spbill_create_ip", "127.0.0.1");
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
            m.put("trade_type", "NATIVE");

            // 发送HttpClient请求，传递参数xml格式
            HttpClient client = new HttpClient("https://api.mch.weixin.qq.com/pay/unifiedorder");
            // 设置xml格式，传入商户的key
            client.setXmlParam(WXPayUtil.generateSignedXml(m,"T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();
            //3、返回第三方的数据 得到发送请求返回结果 返回的内容是xml格式，把xml转成map集合
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

            log.info("微信返回的数据为："+resultMap);
            // 最终返回数据的封装
            Map result = new HashMap<>();
            result.put("out_trade_no", orderNo);
            result.put("course_id", order.getCourseId());
            result.put("total_fee", order.getTotalFee());
            result.put("result_code", resultMap.get("result_code")); // 返回二维码操作状态
            result.put("code_url", resultMap.get("code_url")); // 二维码地址
            return result;

            // 得到发送求返回结果

        } catch (Exception e) {

           throw  new TjiseException(20001,"生成二维码失败");
        }


    }

    /**
     * 查询订单的支付状态
     * @param orderNo
     * @return
     */
    @Override
    public Map queryStatus(String orderNo) {

        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            //2、设置请求
            HttpClient client = new
                    HttpClient("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m,
                    "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();
            //3、返回第三方的数据
            String xml = client.getContent();
            //6、转成Map
            //7、返回
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            return resultMap;
        } catch (Exception e) {
            throw new TjiseException(20001,"查询失败");
        }

    }

    /**
     * 添加支付记录和更新订单状态
     * @param map
     */
    @Override
    public void updateOrdersStatus(Map map) {
        log.info("updateOrdersStatus()的集合中map为"+map);
        //  从map中获取到订单号
        String  orderno = (String) map.get("out_trade_no");
        //根据订单id查询订单信息
        QueryWrapper<Order> wrapper = new QueryWrapper<>();
        wrapper.eq("order_no",orderno);
        Order order = orderService.getOne(wrapper);
        // 更新订单表中订单的状态
        if (order.getStatus().intValue() == 1){
            return ;
        }
        // 设置已经支付
        order.setStatus(1);
        orderService.updateById(order);
        // 将购买量加1
        eduClient.updateBuyCount(order.getCourseId());

        // 向支付日志中添加记录
        PayLog payLog = new PayLog();

        payLog.setOrderNo(order.getOrderNo());//支付订单号
        payLog.setPayTime(new Date()); // 完成时间
        payLog.setPayType(1);  //支付类型
        payLog.setTotalFee(order.getTotalFee());  //总金额(分)
        payLog.setTradeState((String) map.get("trade_state")); //支付状态
        payLog.setTransactionId((String) map.get("transaction_id")); // 流水号
        payLog.setAttr(JSONObject.toJSONString(map));
        baseMapper.insert(payLog);//插入到支付日志表
    }
}
